1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Performance Monitor Drivers 4# 5 6menu "Performance monitor support" 7 depends on PERF_EVENTS 8 9config ARM_CCI_PMU 10 tristate "ARM CCI PMU driver" 11 depends on (ARM && CPU_V7) || ARM64 12 select ARM_CCI 13 help 14 Support for PMU events monitoring on the ARM CCI (Cache Coherent 15 Interconnect) family of products. 16 17 If compiled as a module, it will be called arm-cci. 18 19config ARM_CCI400_PMU 20 bool "support CCI-400" 21 default y 22 depends on ARM_CCI_PMU 23 select ARM_CCI400_COMMON 24 help 25 CCI-400 provides 4 independent event counters counting events related 26 to the connected slave/master interfaces, plus a cycle counter. 27 28config ARM_CCI5xx_PMU 29 bool "support CCI-500/CCI-550" 30 default y 31 depends on ARM_CCI_PMU 32 help 33 CCI-500/CCI-550 both provide 8 independent event counters, which can 34 count events pertaining to the slave/master interfaces as well as the 35 internal events to the CCI. 36 37config ARM_CCN 38 tristate "ARM CCN driver support" 39 depends on ARM || ARM64 || COMPILE_TEST 40 help 41 PMU (perf) driver supporting the ARM CCN (Cache Coherent Network) 42 interconnect. 43 44config ARM_CMN 45 tristate "Arm CMN-600 PMU support" 46 depends on ARM64 || COMPILE_TEST 47 help 48 Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh 49 Network interconnect. 50 51config ARM_PMU 52 depends on ARM || ARM64 53 bool "ARM PMU framework" 54 default y 55 help 56 Say y if you want to use CPU performance monitors on ARM-based 57 systems. 58 59config RISCV_PMU 60 depends on RISCV 61 bool "RISC-V PMU framework" 62 default y 63 help 64 Say y if you want to use CPU performance monitors on RISCV-based 65 systems. This provides the core PMU framework that abstracts common 66 PMU functionalities in a core library so that different PMU drivers 67 can reuse it. 68 69config RISCV_PMU_LEGACY 70 depends on RISCV_PMU 71 bool "RISC-V legacy PMU implementation" 72 default y 73 help 74 Say y if you want to use the legacy CPU performance monitor 75 implementation on RISC-V based systems. This only allows counting 76 of cycle/instruction counter and doesn't support counter overflow, 77 or programmable counters. It will be removed in future. 78 79config ARM_PMU_ACPI 80 depends on ARM_PMU && ACPI 81 def_bool y 82 83config ARM_SMMU_V3_PMU 84 tristate "ARM SMMUv3 Performance Monitors Extension" 85 depends on (ARM64 && ACPI) || (COMPILE_TEST && 64BIT) 86 depends on GENERIC_MSI_IRQ_DOMAIN 87 help 88 Provides support for the ARM SMMUv3 Performance Monitor Counter 89 Groups (PMCG), which provide monitoring of transactions passing 90 through the SMMU and allow the resulting information to be filtered 91 based on the Stream ID of the corresponding master. 92 93config ARM_DSU_PMU 94 tristate "ARM DynamIQ Shared Unit (DSU) PMU" 95 depends on ARM64 96 help 97 Provides support for performance monitor unit in ARM DynamIQ Shared 98 Unit (DSU). The DSU integrates one or more cores with an L3 memory 99 system, control logic. The PMU allows counting various events related 100 to DSU. 101 102config FSL_IMX8_DDR_PMU 103 tristate "Freescale i.MX8 DDR perf monitor" 104 depends on ARCH_MXC || COMPILE_TEST 105 help 106 Provides support for the DDR performance monitor in i.MX8, which 107 can give information about memory throughput and other related 108 events. 109 110config QCOM_L2_PMU 111 bool "Qualcomm Technologies L2-cache PMU" 112 depends on ARCH_QCOM && ARM64 && ACPI 113 select QCOM_KRYO_L2_ACCESSORS 114 help 115 Provides support for the L2 cache performance monitor unit (PMU) 116 in Qualcomm Technologies processors. 117 Adds the L2 cache PMU into the perf events subsystem for 118 monitoring L2 cache events. 119 120config QCOM_L3_PMU 121 bool "Qualcomm Technologies L3-cache PMU" 122 depends on ARCH_QCOM && ARM64 && ACPI 123 select QCOM_IRQ_COMBINER 124 help 125 Provides support for the L3 cache performance monitor unit (PMU) 126 in Qualcomm Technologies processors. 127 Adds the L3 cache PMU into the perf events subsystem for 128 monitoring L3 cache events. 129 130config THUNDERX2_PMU 131 tristate "Cavium ThunderX2 SoC PMU UNCORE" 132 depends on ARCH_THUNDER2 || COMPILE_TEST 133 depends on NUMA && ACPI 134 default m 135 help 136 Provides support for ThunderX2 UNCORE events. 137 The SoC has PMU support in its L3 cache controller (L3C) and 138 in the DDR4 Memory Controller (DMC). 139 140config XGENE_PMU 141 depends on ARCH_XGENE || (COMPILE_TEST && 64BIT) 142 bool "APM X-Gene SoC PMU" 143 default n 144 help 145 Say y if you want to use APM X-Gene SoC performance monitors. 146 147config ARM_SPE_PMU 148 tristate "Enable support for the ARMv8.2 Statistical Profiling Extension" 149 depends on ARM64 150 help 151 Enable perf support for the ARMv8.2 Statistical Profiling 152 Extension, which provides periodic sampling of operations in 153 the CPU pipeline and reports this via the perf AUX interface. 154 155config ARM_DMC620_PMU 156 tristate "Enable PMU support for the ARM DMC-620 memory controller" 157 depends on (ARM64 && ACPI) || COMPILE_TEST 158 help 159 Support for PMU events monitoring on the ARM DMC-620 memory 160 controller. 161 162config MARVELL_CN10K_TAD_PMU 163 tristate "Marvell CN10K LLC-TAD PMU" 164 depends on ARM64 || (COMPILE_TEST && 64BIT) 165 help 166 Provides support for Last-Level cache Tag-and-data Units (LLC-TAD) 167 performance monitors on CN10K family silicons. 168 169source "drivers/perf/hisilicon/Kconfig" 170 171endmenu 172